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/**
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0.
*/
#include <aws/mqtt/private/v5/mqtt5_callbacks.h>
#include <aws/io/event_loop.h>
#include <aws/mqtt/private/v5/mqtt5_client_impl.h>
#include <aws/mqtt/v5/mqtt5_listener.h>
#include <inttypes.h>
struct aws_mqtt5_callback_set_entry {
struct aws_allocator *allocator;
struct aws_linked_list_node node;
uint64_t id;
struct aws_mqtt5_callback_set callbacks;
};
void aws_mqtt5_callback_set_manager_init(
struct aws_mqtt5_callback_set_manager *manager,
struct aws_mqtt5_client *client) {
manager->client = client; /* no need to ref count, it's assumed to be owned by the client */
manager->next_callback_set_entry_id = 1;
aws_linked_list_init(&manager->callback_set_entries);
}
void aws_mqtt5_callback_set_manager_clean_up(struct aws_mqtt5_callback_set_manager *manager) {
struct aws_linked_list_node *node = aws_linked_list_begin(&manager->callback_set_entries);
while (node != aws_linked_list_end(&manager->callback_set_entries)) {
struct aws_mqtt5_callback_set_entry *entry = AWS_CONTAINER_OF(node, struct aws_mqtt5_callback_set_entry, node);
node = aws_linked_list_next(node);
aws_linked_list_remove(&entry->node);
aws_mem_release(entry->allocator, entry);
}
}
static struct aws_mqtt5_callback_set_entry *s_new_callback_set_entry(
struct aws_mqtt5_callback_set_manager *manager,
struct aws_mqtt5_callback_set *callback_set) {
struct aws_mqtt5_callback_set_entry *entry =
aws_mem_calloc(manager->client->allocator, 1, sizeof(struct aws_mqtt5_callback_set_entry));
entry->allocator = manager->client->allocator;
entry->id = manager->next_callback_set_entry_id++;
entry->callbacks = *callback_set;
AWS_LOGF_INFO(
AWS_LS_MQTT5_GENERAL,
"id=%p: callback manager created new entry :%" PRIu64,
(void *)manager->client,
entry->id);
return entry;
}
uint64_t aws_mqtt5_callback_set_manager_push_front(
struct aws_mqtt5_callback_set_manager *manager,
struct aws_mqtt5_callback_set *callback_set) {
AWS_FATAL_ASSERT(aws_event_loop_thread_is_callers_thread(manager->client->loop));
struct aws_mqtt5_callback_set_entry *entry = s_new_callback_set_entry(manager, callback_set);
aws_linked_list_push_front(&manager->callback_set_entries, &entry->node);
return entry->id;
}
void aws_mqtt5_callback_set_manager_remove(struct aws_mqtt5_callback_set_manager *manager, uint64_t callback_set_id) {
AWS_FATAL_ASSERT(aws_event_loop_thread_is_callers_thread(manager->client->loop));
struct aws_linked_list_node *node = aws_linked_list_begin(&manager->callback_set_entries);
while (node != aws_linked_list_end(&manager->callback_set_entries)) {
struct aws_mqtt5_callback_set_entry *entry = AWS_CONTAINER_OF(node, struct aws_mqtt5_callback_set_entry, node);
node = aws_linked_list_next(node);
if (entry->id == callback_set_id) {
aws_linked_list_remove(&entry->node);
AWS_LOGF_INFO(
AWS_LS_MQTT5_GENERAL,
"id=%p: callback manager removed entry id=%" PRIu64,
(void *)manager->client,
entry->id);
aws_mem_release(entry->allocator, entry);
return;
}
}
AWS_LOGF_INFO(
AWS_LS_MQTT5_GENERAL,
"id=%p: callback manager failed to remove entry id=%" PRIu64 ", callback set id not found.",
(void *)manager->client,
callback_set_id);
}
void aws_mqtt5_callback_set_manager_on_publish_received(
struct aws_mqtt5_callback_set_manager *manager,
const struct aws_mqtt5_packet_publish_view *publish_view) {
AWS_FATAL_ASSERT(aws_event_loop_thread_is_callers_thread(manager->client->loop));
struct aws_linked_list_node *node = aws_linked_list_begin(&manager->callback_set_entries);
while (node != aws_linked_list_end(&manager->callback_set_entries)) {
struct aws_mqtt5_callback_set_entry *entry = AWS_CONTAINER_OF(node, struct aws_mqtt5_callback_set_entry, node);
node = aws_linked_list_next(node);
struct aws_mqtt5_callback_set *callback_set = &entry->callbacks;
if (callback_set->listener_publish_received_handler != NULL) {
bool handled = (*callback_set->listener_publish_received_handler)(
publish_view, callback_set->listener_publish_received_handler_user_data);
if (handled) {
return;
}
}
}
if (manager->client->config->publish_received_handler != NULL) {
(*manager->client->config->publish_received_handler)(
publish_view, manager->client->config->publish_received_handler_user_data);
}
}
void aws_mqtt5_callback_set_manager_on_lifecycle_event(
struct aws_mqtt5_callback_set_manager *manager,
const struct aws_mqtt5_client_lifecycle_event *lifecycle_event) {
AWS_FATAL_ASSERT(aws_event_loop_thread_is_callers_thread(manager->client->loop));
struct aws_linked_list_node *node = aws_linked_list_begin(&manager->callback_set_entries);
while (node != aws_linked_list_end(&manager->callback_set_entries)) {
struct aws_mqtt5_callback_set_entry *entry = AWS_CONTAINER_OF(node, struct aws_mqtt5_callback_set_entry, node);
node = aws_linked_list_next(node);
struct aws_mqtt5_callback_set *callback_set = &entry->callbacks;
if (callback_set->lifecycle_event_handler != NULL) {
struct aws_mqtt5_client_lifecycle_event listener_copy = *lifecycle_event;
listener_copy.user_data = callback_set->lifecycle_event_handler_user_data;
(*callback_set->lifecycle_event_handler)(&listener_copy);
}
}
struct aws_mqtt5_client_lifecycle_event client_copy = *lifecycle_event;
client_copy.user_data = manager->client->config->lifecycle_event_handler_user_data;
if (manager->client->config->lifecycle_event_handler != NULL) {
(*manager->client->config->lifecycle_event_handler)(&client_copy);
}
}
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